gem selector sketch

bauh/api/abstract/disk.py

@@ -0,0 +1,42 @@
+from abc import ABC, abstractmethod
+from typing import Type
+
+from bauh.api.abstract.cache import MemoryCache
+from bauh.api.abstract.model import SoftwarePackage
+
+
+class DiskCacheLoader:
+    """
+    Reads cached data from the disk and fills package instances.
+    """
+
+    def map(self, cache: MemoryCache, pkg_type: Type[SoftwarePackage]):
+        """
+        maps a given cache instance for a given package type
+        :param cache:
+        :param pkg_type:
+        :return:
+        """
+        pass
+
+    def fill(self, pkg: SoftwarePackage):
+        """
+        fill cached data from the disk of a given package instance
+        If a cache mapping was previously done, then data retrieved will be cached to memory as well.
+        :param pkg:
+        :return:
+        """
+        pass
+
+
+class DiskCacheLoaderFactory(ABC):
+
+    @abstractmethod
+    def map(self, pkg_type: Type[SoftwarePackage], cache: MemoryCache):
+        """
+        Associated a cache instance to instances of a given SoftwarePackage class
+        :param pkg_type:
+        :param cache:
+        :return:
+        """
+        pass